311440332242342 has 8 divisors (see below), whose sum is σ = 467187210091800. Its totient is φ = 155711262211744.

The previous prime is 311440332242309. The next prime is 311440332242381. The reversal of 311440332242342 is 243242233044113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 311440332242296 and 311440332242305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4451910992 + ... + 4451980947.

It is an arithmetic number, because the mean of its divisors is an integer number (58398401261475).

Almost surely, 2^{311440332242342} is an apocalyptic number.

311440332242342 is a deficient number, since it is larger than the sum of its proper divisors (155746877849458).

311440332242342 is a wasteful number, since it uses less digits than its factorization.

311440332242342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903909430.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 311440332242342 its reverse (243242233044113), we get a palindrome (554682565286455).

The spelling of 311440332242342 in words is "three hundred eleven trillion, four hundred forty billion, three hundred thirty-two million, two hundred forty-two thousand, three hundred forty-two".